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Average Questions Worksheet

Quantitative aptitude lesson 16: Averages · Set 648 · 40 questions
TalentJR

The method (Think in totals): Average = total ÷ how many; total = average × how many. A number added or removed: compare the new total with the old total. Two groups together: add the two totals, then divide by everyone.

NameDateTime takenScore ___ / 40
  1. 1.The average of 8 numbers is 31. When one more number is added, the average becomes 33. What number was added?
  2. 2.The average of 4 numbers is 45. When one more number is added, the average becomes 46. What number was added?
  3. 3.A shop sells an average of 69 kg of sugar a day for 3 days, and then 66 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  4. 4.Ishaan’s batting average after 15 innings is 35 runs. How many runs must Ishaan score in the next innings to raise the average to 37?
  5. 5.A shop sells an average of 42 kg of sugar a day for 4 days, and then 69 kg a day for the next 2 days. What is the average sale per day for all 6 days (in kg)?
  6. 6.The average of 5 numbers is 29. When one more number is added, the average becomes 35. What number was added?
  7. 7.Isha’s batting average after 6 innings is 43 runs. How many runs must Isha score in the next innings to raise the average to 48?
  8. 8.The average weight of 6 children is 31 kg. One child, who weighs 36 kg, leaves the group. What is the new average weight (in kg)?
  9. 9.Rohan’s batting average after 8 innings is 42 runs. How many runs must Rohan score in the next innings to raise the average to 45?
  10. 10.The average weight of 8 children is 42 kg. One child, who weighs 56 kg, leaves the group. What is the new average weight (in kg)?
  11. 11.Marks of 6 friends in a quiz: 39, 35, 35, 34, 45, 88. What is their average mark?
  12. 12.The average of 4 numbers is 51. When one more number is added, the average becomes 53. What number was added?
  13. 13.The average of 4 numbers is 15. When one more number is added, the average becomes 21. What number was added?
  14. 14.Ananya’s batting average after 15 innings is 39 runs. How many runs must Ananya score in the next innings to raise the average to 44?
  15. 15.A shop sells an average of 22 kg of sugar a day for 6 days, and then 66 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  16. 16.Marks of 6 friends in a quiz: 69, 73, 51, 46, 59, 68. What is their average mark?
  17. 17.Dev’s batting average after 6 innings is 34 runs. How many runs must Dev score in the next innings to raise the average to 35?
  18. 18.The average weight of 9 children is 43 kg. One child, who weighs 51 kg, leaves the group. What is the new average weight (in kg)?
  19. 19.Rohan’s batting average after 12 innings is 27 runs. How many runs must Rohan score in the next innings to raise the average to 31?
  20. 20.A shop sells an average of 28 kg of sugar a day for 6 days, and then 52 kg a day for the next 2 days. What is the average sale per day for all 8 days (in kg)?
  21. 21.The average of 8 numbers is 56. When one more number is added, the average becomes 59. What number was added?
  22. 22.Dev’s batting average after 6 innings is 30 runs. How many runs must Dev score in the next innings to raise the average to 32?
  23. 23.The average of 6 numbers is 35. When one more number is added, the average becomes 40. What number was added?
  24. 24.A shop sells an average of 63 kg of sugar a day for 2 days, and then 41 kg a day for the next 2 days. What is the average sale per day for all 4 days (in kg)?
  25. 25.The average of 8 numbers is 27. When one more number is added, the average becomes 31. What number was added?
  26. 26.A shop sells an average of 68 kg of sugar a day for 4 days, and then 63 kg a day for the next 6 days. What is the average sale per day for all 10 days (in kg)?
  27. 27.The average of 5 numbers is 58. When one more number is added, the average becomes 60. What number was added?
  28. 28.The average weight of 5 children is 41 kg. One child, who weighs 45 kg, leaves the group. What is the new average weight (in kg)?
  29. 29.A shop sells an average of 29 kg of sugar a day for 6 days, and then 25 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  30. 30.A shop sells an average of 43 kg of sugar a day for 2 days, and then 49 kg a day for the next 4 days. What is the average sale per day for all 6 days (in kg)?
  31. 31.Marks of 4 friends in a quiz: 90, 83, 73, 66. What is their average mark?
  32. 32.A shop sells an average of 46 kg of sugar a day for 6 days, and then 60 kg a day for the next 6 days. What is the average sale per day for all 12 days (in kg)?
  33. 33.Marks of 4 friends in a quiz: 48, 65, 74, 61. What is their average mark?
  34. 34.Kabir’s batting average after 15 innings is 45 runs. How many runs must Kabir score in the next innings to raise the average to 49?
  35. 35.The average weight of 11 children is 30 kg. One child, who weighs 50 kg, leaves the group. What is the new average weight (in kg)?
  36. 36.The average weight of 5 children is 43 kg. One child, who weighs 47 kg, leaves the group. What is the new average weight (in kg)?
  37. 37.Rohan’s batting average after 9 innings is 26 runs. How many runs must Rohan score in the next innings to raise the average to 29?
  38. 38.A shop sells an average of 68 kg of sugar a day for 3 days, and then 29 kg a day for the next 6 days. What is the average sale per day for all 9 days (in kg)?
  39. 39.A shop sells an average of 66 kg of sugar a day for 3 days, and then 70 kg a day for the next 3 days. What is the average sale per day for all 6 days (in kg)?
  40. 40.Marks of 6 friends in a quiz: 22, 25, 39, 47, 41, 42. What is their average mark?

Answer key

  1. 49
  2. 50
  3. 67
  4. 67
  5. 51
  6. 65
  7. 78
  8. 30
  9. 69
  10. 40
  11. 46
  12. 61
  13. 45
  14. 119
  15. 44
  16. 61
  17. 41
  18. 42
  19. 79
  20. 34
  21. 83
  22. 44
  23. 70
  24. 52
  25. 63
  26. 65
  27. 70
  28. 40
  29. 27
  30. 47
  31. 78
  32. 53
  33. 62
  34. 109
  35. 28
  36. 42
  37. 56
  38. 42
  39. 68
  40. 36

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